According to the results, the activation energy for migration of grain boundary Q was calculated. With the increase of the amount of re, the value of Q increases.

根据实验结果，对奥氏体晶界迁移激活能(Q)进行了计算，计算表明随稀土加入量增加，Q值亦增加。

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The migration of oxygen ions in materials needs higher activation energy. The decrease of membrane thickness is one of the effective ways for obtaining higher oxygen permeating flux.

离子在材料中传导需要相对较高的活化能，减小透氧膜的厚度是获得高的透氧性能的有效途径。

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